5eef5e7a5d
Make bootloader more robust if either OTA data or some OTA app slots are corrupt.
40 lines
2.1 KiB
C
40 lines
2.1 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __ESP_FLASH_PARTITIONS_H
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#define __ESP_FLASH_PARTITIONS_H
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#include "esp_err.h"
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#include "esp_flash_data_types.h"
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#include <stdbool.h>
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/* Pre-partition table fixed flash offsets */
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#define ESP_BOOTLOADER_DIGEST_OFFSET 0x0
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#define ESP_BOOTLOADER_OFFSET 0x1000 /* Offset of bootloader image. Has matching value in bootloader KConfig.projbuild file. */
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#define ESP_BOOTLOADER_SIZE (ESP_PARTITION_TABLE_OFFSET - ESP_BOOTLOADER_OFFSET)
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#define ESP_PARTITION_TABLE_OFFSET 0x8000 /* Offset of partition table. Has matching value in partition_table Kconfig.projbuild file. */
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#define ESP_PARTITION_TABLE_MAX_LEN 0xC00 /* Maximum length of partition table data */
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#define ESP_PARTITION_TABLE_MAX_ENTRIES (ESP_PARTITION_TABLE_MAX_LEN / sizeof(esp_partition_info_t)) /* Maximum length of partition table data, including terminating entry */
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/* @brief Verify the partition table (does not include verifying secure boot cryptographic signature)
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*
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* @param partition_table Pointer to at least ESP_PARTITION_TABLE_MAX_ENTRIES of potential partition table data. (ESP_PARTITION_TABLE_MAX_LEN bytes.)
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* @param log_errors Log errors if the partition table is invalid.
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* @param num_partitions If result is ESP_OK, num_partitions is updated with total number of partitions (not including terminating entry).
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*
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* @return ESP_OK on success, ESP_ERR_INVALID_STATE if partition table is not valid.
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*/
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esp_err_t esp_partition_table_basic_verify(const esp_partition_info_t *partition_table, bool log_errors, int *num_partitions);
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#endif
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